Affidavits are also affirmations

https://hlsf.org/paola-vargas-daly-2021-sidley-austin-llp-neal-gerber-eisenberg-scholarship/

Affidavits Are Also Affirmations<br/>The affidavit is a written adaptation of sworn remark: a voluntary oath ahead of a notary public, decide or commissioner of deed, all of whom are authorised to manage oaths